ASoC: sh: rz-ssi: Remove duplicate macros

Remove SSICR_MST and SSICR_CKDV macros which are defined more than once.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220125132457.14984-4-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rz-ssi.c

@@ -28,8 +28,6 @@
 /* SSI REGISTER BITS */
 #define SSICR_DWL(x)		(((x) & 0x7) << 19)
 #define SSICR_SWL(x)		(((x) & 0x7) << 16)
-#define SSICR_MST		BIT(14)
-#define SSICR_CKDV(x)		(((x) & 0xf) << 4)
 
 #define SSICR_CKS		BIT(30)
 #define SSICR_TUIEN		BIT(29)